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$141+ Cheap flights from Hamilton, ON (YHM) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
YHM — SEA
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Hamilton to Washington

Keep the following information in mind while searching for Hamilton to Washington flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$248
(Trip.com)

One-way from

$141
(Trip.com)

Popular in

May

Cheapest in

February

Average price

$357
Provider with most accurate pricing for Toronto (YTO)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Seattle/Tacoma Intl flights.
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From Hamilton to Washington
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One-way flight from Hamilton to Washington
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Highest demand for flights based on searches. 13% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Hamilton to Washington

Cheapest flights from Hamilton to Washington
Explore the most affordable flight options available from Hamilton to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This Trip.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:00 amYHM - SEA
1 stop9h 58mWestJet
Sat 8/301:50 pmSEA - YHM
1 stop7h 51mWestJet
Deal found 3/30$248
This Trip.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:00 amYHM - PDX
1 stop9h 52mWestJet
Fri 8/151:45 pmPDX - YHM
1 stop7h 56mWestJet
Deal found 3/29$268
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/86:00 amYHM - PDX
1 stop9h 52mMultiple Airlines
Tue 5/131:37 pmPDX - YHM
2 stops32h 04mMultiple Airlines
Deal found 3/30$311
This Mytrip deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/36:00 amYHM - SEA
2 stops11h 09mMultiple Airlines
Tue 5/612:30 pmSEA - YHM
2 stops33h 11mMultiple Airlines
Deal found 3/31$356

Cheapflights Fare Finder

Customize your flight search to find flights from Hamilton to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 31, 2025.
Use the filters below to find and compare flights from Hamilton to Washington that are best for you.

Fly from

Hamilton

Fly to

Washington

Route

Depart

Return

Price

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Fri 5/2

6:00 am-12:58 pm

1 stop9h 58m

Seattle/Tacoma Intl

Sat 8/30

1:50 pm-12:41 am

1 stop7h 51m

$248

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Mon 8/11

6:00 am-12:52 pm

1 stop9h 52m

Portland

Fri 8/15

1:45 pm-12:41 am

1 stop7h 56m

$268

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Thu 5/8

6:00 am-12:52 pm

1 stop9h 52m

Portland

Tue 5/13

1:37 pm-12:41 am

2 stops32h 04m

$311

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Sat 5/3

6:00 am-2:09 pm

2 stops11h 09m

Seattle/Tacoma Intl

Tue 5/6

12:30 pm-12:41 am

2 stops33h 11m

$356

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Wed 5/14

6:00 am-12:58 pm

1 stop9h 58m

$141

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Wed 7/2

6:00 am-12:52 pm

1 stop9h 52m

$167

HamiltonSeattle

YHM - SEA

YHMSEA

Hamilton

Wed 4/9

6:05 pm-7:51 pm

3 stops28h 46m

$206

HamiltonPortland

YHM - PDX

YHMPDX

Hamilton

Wed 5/14

6:00 am-12:42 pm

3 stops33h 42m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Best time to book a flight from Hamilton to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Hamilton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hamilton to Washington

What is the cheapest month to book a flight from Hamilton, Ontario to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Hamilton, Ontario to State of Washington (average of $238). Flying from Hamilton, Ontario to State of Washington in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated March 31, 2025.
WestJet
7.2
Good
2,789 reviews

Food

6.2

Entertainment

6.1

Overall

7.2

Boarding

7.4

Crew

7.9

Comfort

7.0

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
2,789 reviews
WestJet
7.2
Good
2,789 reviews

Food

6.2

Entertainment

6.1

Overall

7.2

Boarding

7.4

Crew

7.9

Comfort

7.0

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

Related info for your journey

Find useful and relevant information for your journey from Hamilton to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Hamilton to Washington?

    Located just 6.8 mi from the city center, Hamilton (YHM) is the airport most travelers will use when flying to Washington from Hamilton.

  • Can I find deals for flights from Hamilton to Washington that include hotel bookings?

    Yes. In addition to deals on Hamilton to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hamilton to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hamilton to Washington.

  • Can I find deals for business class flights from Hamilton to Washington?

    Yes. Cheapflights offers flight deals from Hamilton to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hamilton, Ontario to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Hamilton, Ontario to State of Washington (average of $238). Flying from Hamilton, Ontario to State of Washington in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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